Final answer:
To increase £2193.67 by 8.5%, multiply the amount by 0.085 to get the increase and add it to the original, resulting in £2380.13195. Rounded to two decimal places, the final amount is £2380.13.
Step-by-step explanation:
To calculate the increase of £2193.67 by 8.5%, first convert the percentage to a decimal by dividing it by 100. This gives us 0.085. We can then find the amount of the increase by multiplying £2193.67 by 0.085.
Amount of increase = £2193.67 × 0.085 = £186.46195. To get the new total, we add this increase to the original amount:
£2193.67 (original amount) + £186.46195 (increase) = £2380.13195.
When we round this number to two decimal places, we end up with £2380.13. Thus, £2193.67 increased by 8.5% is £2380.13 when rounded to two decimal places.